Cremona's table of elliptic curves

20400 = 2⁴ · 3 · 5² · 17

Field	Data	Notes
Atkin-Lehner	2+ 3+ 5+ 17+	Signs for the Atkin-Lehner involutions
Class	20400b	Isogeny class
Conductor	20400	Conductor
∏ cp	4	Product of Tamagawa factors cp
deg	4608	Modular degree for the optimal curve
Δ	-63750000 = -1 · 24 · 3 · 57 · 17	Discriminant
Eigenvalues	2+ 3+ 5+ -3  3 -4 17+  1	Hecke eigenvalues for primes up to 20
Equation	[0,-1,0,-8,387]	[a1,a2,a3,a4,a6]
Generators	[7:25:1]	Generators of the group modulo torsion
j	-256/255	j-invariant
L	3.6872788806058	L(r)(E,1)/r!
Ω	1.5853925429665	Real period
R	0.58144572726865	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	1	Number of elements in the torsion subgroup
Twists	10200bh1 81600id1 61200bz1 4080p1	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for elliptic curve 20400b1

a2	a3	a5	a7	a11	a13	a17	a19	a23	a29	a31	a37	a41	a43	a47	a53	a59	a61	a67	a71	a73	a79	a83	a89	a97
+	+	+	-3	3	-4	+	1	4	1	4	3	-3	-4	-9	9	-6	-8	2	0	-3	10	0	-14	-2

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Quadratic twists for elliptic curve 20400b1

-4	8	-3	5
10200bh1	81600id1	61200bz1	4080p1

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Data from Elliptic Curve Data by J. E. Cremona.
Design inspired by The Modular Forms Explorer by William Stein.

Part of Computational Number Theory
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